6a5cc9d899
BUG=crbug.com/289753 R=wez@chromium.org Review URL: https://webrtc-codereview.appspot.com/2203005 git-svn-id: http://webrtc.googlecode.com/svn/trunk@4737 4adac7df-926f-26a2-2b94-8c16560cd09d
64 lines
2.2 KiB
C++
64 lines
2.2 KiB
C++
/*
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* Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "webrtc/modules/desktop_capture/desktop_frame_win.h"
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#include "webrtc/system_wrappers/interface/logging.h"
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namespace webrtc {
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DesktopFrameWin::DesktopFrameWin(DesktopSize size,
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int stride,
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uint8_t* data,
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SharedMemory* shared_memory,
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HBITMAP bitmap)
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: DesktopFrame(size, stride, data, shared_memory),
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bitmap_(bitmap),
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owned_shared_memory_(shared_memory_) {
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}
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DesktopFrameWin::~DesktopFrameWin() {
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DeleteObject(bitmap_);
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}
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// static
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DesktopFrameWin* DesktopFrameWin::Create(DesktopSize size,
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SharedMemory* shared_memory,
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HDC hdc) {
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int bytes_per_row = size.width() * kBytesPerPixel;
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// Describe a device independent bitmap (DIB) that is the size of the desktop.
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BITMAPINFO bmi = {0};
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bmi.bmiHeader.biHeight = -size.height();
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bmi.bmiHeader.biWidth = size.width();
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bmi.bmiHeader.biPlanes = 1;
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bmi.bmiHeader.biBitCount = DesktopFrameWin::kBytesPerPixel * 8;
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bmi.bmiHeader.biSize = sizeof(bmi.bmiHeader);
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bmi.bmiHeader.biSizeImage = bytes_per_row * size.height();
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HANDLE section_handle = NULL;
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if (shared_memory)
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section_handle = shared_memory->handle();
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void* data = NULL;
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HBITMAP bitmap = CreateDIBSection(hdc, &bmi, DIB_RGB_COLORS, &data,
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section_handle, 0);
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if (!bitmap) {
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LOG(LS_WARNING) << "Failed to allocate new window frame " << GetLastError();
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delete shared_memory;
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return NULL;
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}
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return new DesktopFrameWin(size, bytes_per_row,
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reinterpret_cast<uint8_t*>(data),
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shared_memory, bitmap);
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}
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} // namespace webrtc
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